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source: palm/trunk/SOURCE/data_output_dvrp.f90 @ 1319

Last change on this file since 1319 was 1319, checked in by raasch, 10 years ago
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1	!--------------------------------------------------------------------------------!
2	! This file is part of PALM.
3	!
4	! PALM is free software: you can redistribute it and/or modify it under the terms
5	! of the GNU General Public License as published by the Free Software Foundation,
6	! either version 3 of the License, or (at your option) any later version.
7	!
8	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
9	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
10	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
11	!
12	! You should have received a copy of the GNU General Public License along with
13	! PALM. If not, see <http://www.gnu.org/licenses/>.
14	!
15	! Copyright 1997-2014 Leibniz Universitaet Hannover
16	!--------------------------------------------------------------------------------!
17	!
18	! Current revisions:
19	! -----------------
20	!
21	!
22	! Former revisions:
23	! -----------------
24	! $Id: data_output_dvrp.f90 1319 2014-03-17 15:08:44Z raasch $
25	!
26	! 1318 2014-03-17 13:35:16Z raasch
27	! module interfaces removed
28	!
29	! 1036 2012-10-22 13:43:42Z raasch
30	! code put under GPL (PALM 3.9)
31	!
32	! 828 2012-02-21 12:00:36Z raasch
33	! particle feature color renamed class
34	!
35	! 287 2009-04-09 08:59:36Z raasch
36	! Clipping of dvr-output implemented, using a default colourtable for
37	! particles,
38	! output of messages replaced by message handling routine.
39	!
40	! 210 2008-11-06 08:54:02Z raasch
41	! DVRP arguments changed to single precision, mode pathlines added
42	!
43	! 130 2007-11-13 14:08:40Z letzel
44	! allow two instead of one digit to specify isosurface and slicer variables
45	! for unknown variables (CASE DEFAULT) call new subroutine
46	! user_data_output_dvrp
47	!
48	! 82 2007-04-16 15:40:52Z raasch
49	! Preprocessor strings for different linux clusters changed to "lc",
50	! routine local_flush is used for buffer flushing
51	!
52	! 75 2007-03-22 09:54:05Z raasch
53	! Particles-package is now part of the default code,
54	! moisture renamed humidity
55	!
56	! RCS Log replace by Id keyword, revision history cleaned up
57	!
58	! Revision 1.13 2006/02/23 10:25:12 raasch
59	! Former routine plot_dvrp renamed data_output_dvrp,
60	! Only a fraction of the particles may have a tail,
61	! pl.. replaced by do.., %size renamed %dvrp_psize
62	!
63	! Revision 1.1 2000/04/27 06:27:17 raasch
64	! Initial revision
65	!
66	!
67	! Description:
68	! ------------
69	! Plot of isosurface, particles and slicers with dvrp-software
70	!------------------------------------------------------------------------------!
71
72	MODULE dvrp_color
73
74	USE dvrp_variables
75
76	IMPLICIT NONE
77
78	CONTAINS
79
80	SUBROUTINE color_dvrp( value, color )
81
82	REAL, INTENT(IN) :: value
83	REAL, INTENT(OUT) :: color(4)
84
85	REAL :: scale
86
87	scale = ( value - slicer_range_limits_dvrp(1,islice_dvrp) ) / &
88	( slicer_range_limits_dvrp(2,islice_dvrp) - &
89	slicer_range_limits_dvrp(1,islice_dvrp) )
90
91	scale = MODULO( 180.0 + 180.0 * scale, 360.0 )
92
93	color = (/ scale, 0.5, 1.0, 0.0 /)
94
95	END SUBROUTINE color_dvrp
96
97	END MODULE dvrp_color
98
99
100	RECURSIVE SUBROUTINE data_output_dvrp
101
102	#if defined( __dvrp_graphics )
103
104	USE arrays_3d
105	USE cloud_parameters
106	USE constants
107	USE control_parameters
108	USE cpulog
109	USE DVRP
110	USE dvrp_color
111	USE dvrp_variables
112	USE grid_variables
113	USE indices
114	USE particle_attributes
115	USE pegrid
116
117	IMPLICIT NONE
118
119	CHARACTER (LEN=2) :: section_chr
120	CHARACTER (LEN=6) :: output_variable
121	INTEGER :: c_mode, c_size_x, c_size_y, c_size_z, dvrp_nop, dvrp_not, &
122	gradient_normals, i, ip, j, jp, k, l, m, n, n_isosurface, &
123	n_slicer, nn, section_mode, vn
124	INTEGER, DIMENSION(:), ALLOCATABLE :: p_c, p_t
125
126	LOGICAL, DIMENSION(:), ALLOCATABLE :: dvrp_mask
127
128	REAL(4) :: slicer_position, tmp_alpha, tmp_alpha_w, tmp_b, tmp_c_alpha, &
129	tmp_g, tmp_norm, tmp_pos, tmp_r, tmp_t, tmp_th
130	REAL(4), DIMENSION(:), ALLOCATABLE :: psize, p_x, p_y, p_z
131	REAL(4), DIMENSION(:,:,:), ALLOCATABLE :: local_pf
132	REAL(4), DIMENSION(:,:,:,:), ALLOCATABLE :: local_pfi
133
134
135	CALL cpu_log( log_point(27), 'data_output_dvrp', 'start' )
136
137	!
138	!-- Loop over all output modes choosed
139	m = 1
140	n_isosurface = 0 ! isosurface counter (for threshold values and color)
141	n_slicer = 0 ! slice plane counter (for range of values)
142	DO WHILE ( mode_dvrp(m) /= ' ' )
143	!
144	!-- Update of the steering variables
145	IF ( .NOT. lock_steering_update ) THEN
146	!
147	!-- Set lock to avoid recursive calls of DVRP_STEERING_UPDATE
148	lock_steering_update = .TRUE.
149	! CALL DVRP_STEERING_UPDATE( m-1, data_output_dvrp )
150	lock_steering_update = .FALSE.
151	ENDIF
152
153	!
154	!-- Determine the variable which shall be plotted (in case of slicers or
155	!-- isosurfaces)
156	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
157	READ ( mode_dvrp(m), '(10X,I2)' ) vn
158	output_variable = do3d(0,vn)
159	n_isosurface = n_isosurface + 1
160	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
161	READ ( mode_dvrp(m), '(6X,I2)' ) vn
162	output_variable = do2d(0,vn)
163	l = MAX( 2, LEN_TRIM( do2d(0,vn) ) )
164	section_chr = do2d(0,vn)(l-1:l)
165	SELECT CASE ( section_chr )
166	CASE ( 'xy' )
167	section_mode = 2
168	slicer_position = zu(MIN( slicer_position_dvrp(m), nz_do3d ))
169	CASE ( 'xz' )
170	section_mode = 1
171	slicer_position = slicer_position_dvrp(m) * dy
172	CASE ( 'yz' )
173	section_mode = 0
174	slicer_position = slicer_position_dvrp(m) * dx
175	END SELECT
176	ENDIF
177
178	!
179	!-- Select the plot mode (in case of isosurface or slicer only if user has
180	!-- defined a variable which shall be plotted; otherwise do nothing)
181	IF ( mode_dvrp(m)(1:9) == 'particles' .AND. particle_advection .AND. &
182	simulated_time >= particle_advection_start ) THEN
183	!
184	!-- DVRP-Calls for plotting particles:
185	CALL cpu_log( log_point_s(28), 'dvrp_particles', 'start' )
186
187	!
188	!-- Definition of characteristics of particle material
189	! tmp_r = 0.1; tmp_g = 0.7; tmp_b = 0.1; tmp_t = 0.0
190	tmp_r = 0.0; tmp_g = 0.0; tmp_b = 0.0; tmp_t = 0.0
191	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
192
193	!
194	!-- If clipping is active and if this subdomain is clipped, find out the
195	!-- number of particles and tails to be plotted; otherwise, all
196	!-- particles/tails are plotted. dvrp_mask is used to mark the partikles.
197	ALLOCATE( dvrp_mask(number_of_particles) )
198
199	IF ( dvrp_total_overlap ) THEN
200	dvrp_mask = .TRUE.
201	dvrp_nop = number_of_particles
202	dvrp_not = number_of_tails
203	ELSE
204	dvrp_mask = .FALSE.
205	dvrp_nop = 0
206	dvrp_not = 0
207	IF ( dvrp_overlap ) THEN
208	IF ( .NOT. use_particle_tails ) THEN
209	DO n = 1, number_of_particles
210	ip = particles(n)%x / dx
211	jp = particles(n)%y / dy
212	IF ( ip >= nxl_dvrp .AND. ip <= nxr_dvrp .AND. &
213	jp >= nys_dvrp .AND. jp <= nyn_dvrp ) THEN
214	dvrp_nop = dvrp_nop + 1
215	dvrp_mask(n) = .TRUE.
216	ENDIF
217	ENDDO
218	ELSE
219	k = 0
220	DO n = 1, number_of_particles
221	IF ( particles(n)%tail_id /= 0 ) THEN
222	k = k + 1
223	ip = particles(n)%x / dx
224	jp = particles(n)%y / dy
225	IF ( ip >= nxl_dvrp .AND. ip <= nxr_dvrp .AND. &
226	jp >= nys_dvrp .AND. jp <= nyn_dvrp ) THEN
227	dvrp_not = dvrp_not + 1
228	dvrp_mask(n) = .TRUE.
229	ENDIF
230	ENDIF
231	ENDDO
232	ENDIF
233	ENDIF
234	ENDIF
235
236	!
237	!-- Move particle coordinates to one-dimensional arrays
238	IF ( .NOT. use_particle_tails ) THEN
239	!
240	!-- All particles are output
241	ALLOCATE( psize(dvrp_nop), p_t(dvrp_nop), p_c(dvrp_nop), &
242	p_x(dvrp_nop), p_y(dvrp_nop), p_z(dvrp_nop) )
243	psize = 0.0; p_t = 0; p_c = 0.0; p_x = 0.0; p_y = 0.0
244	p_z = 0.0
245	k = 0
246	DO n = 1, number_of_particles
247	IF ( dvrp_mask(n) ) THEN
248	k = k + 1
249	psize(k) = particles(n)%dvrp_psize
250	p_x(k) = particles(n)%x * superelevation_x
251	p_y(k) = particles(n)%y * superelevation_y
252	p_z(k) = particles(n)%z * superelevation
253	p_c(k) = particles(n)%class
254	ENDIF
255	ENDDO
256	ELSE
257	!
258	!-- Particles have a tail
259	ALLOCATE( psize(dvrp_not), p_t(dvrp_not), &
260	p_c(dvrp_not*maximum_number_of_tailpoints), &
261	p_x(dvrp_not*maximum_number_of_tailpoints), &
262	p_y(dvrp_not*maximum_number_of_tailpoints), &
263	p_z(dvrp_not*maximum_number_of_tailpoints) )
264	psize = 0.0; p_t = 0; p_c = 0.0; p_x = 0.0; p_y = 0.0
265	p_z = 0.0;
266	i = 0
267	k = 0
268
269	DO n = 1, number_of_particles
270	nn = particles(n)%tail_id
271	IF ( nn /= 0 .AND. dvrp_mask(n) ) THEN
272	k = k + 1
273	DO j = 1, particles(n)%tailpoints
274	i = i + 1
275	p_x(i) = particle_tail_coordinates(j,1,nn) * &
276	superelevation_x
277	p_y(i) = particle_tail_coordinates(j,2,nn) * &
278	superelevation_y
279	p_z(i) = particle_tail_coordinates(j,3,nn) * &
280	superelevation
281	p_c(i) = particle_tail_coordinates(j,4,nn)
282	ENDDO
283	psize(k) = particles(n)%dvrp_psize
284	p_t(k) = particles(n)%tailpoints - 1
285	ENDIF
286	ENDDO
287	ENDIF
288
289	!
290	!-- Compute and plot particles in dvr-format
291	IF ( uniform_particles .AND. .NOT. use_particle_tails ) THEN
292	!
293	!-- All particles have the same color. Use simple routine to set
294	!-- the particle attributes (produces less output data)
295	CALL DVRP_PARTICLES( m-1, p_x, p_y, p_z, psize )
296	ELSE
297	!
298	!-- Set color definitions
299	CALL user_dvrp_coltab( 'particles', 'none' )
300
301	CALL DVRP_COLORTABLE_HLS( m-1, 0, interval_values_dvrp_prt, &
302	interval_h_dvrp_prt, &
303	interval_l_dvrp_prt, &
304	interval_s_dvrp_prt, &
305	interval_a_dvrp_prt )
306
307	IF ( .NOT. use_particle_tails ) THEN
308	CALL DVRP_PARTICLES( m-1, dvrp_nop, p_x, p_y, p_z, 3, psize, &
309	p_c, p_t )
310	ELSE
311	CALL DVRP_PARTICLES( m-1, dvrp_not, p_x, p_y, p_z, 15, psize, &
312	p_c, p_t )
313	ENDIF
314	ENDIF
315
316	CALL DVRP_VISUALIZE( m-1, 3, dvrp_filecount )
317
318	DEALLOCATE( dvrp_mask, psize, p_c, p_t, p_x, p_y, p_z )
319
320	CALL cpu_log( log_point_s(28), 'dvrp_particles', 'stop' )
321
322
323	ELSEIF ( ( mode_dvrp(m)(1:10) == 'isosurface' .OR. &
324	mode_dvrp(m)(1:6) == 'slicer' ) &
325	.AND. output_variable /= ' ' ) THEN
326
327	!
328	!-- Create an intermediate array, properly dimensioned for plot-output
329	ALLOCATE( local_pf(nxl_dvrp:nxr_dvrp+1,nys_dvrp:nyn_dvrp+1, &
330	nzb:nz_do3d) )
331
332	!
333	!-- Move original array to intermediate array
334	IF ( dvrp_overlap ) THEN
335
336	SELECT CASE ( output_variable )
337
338	CASE ( 'u', 'u_xy', 'u_xz', 'u_yz' )
339	DO i = nxl_dvrp, nxr_dvrp+1
340	DO j = nys_dvrp, nyn_dvrp+1
341	DO k = nzb, nz_do3d
342	local_pf(i,j,k) = u(k,j,i)
343	ENDDO
344	ENDDO
345	ENDDO
346	!
347	!-- Replace mirrored values at lower surface by real surface
348	!-- values
349	IF ( output_variable == 'u_xz' .OR. &
350	output_variable == 'u_yz' ) THEN
351	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0
352	ENDIF
353
354
355	CASE ( 'v', 'v_xy', 'v_xz', 'v_yz' )
356	DO i = nxl_dvrp, nxr_dvrp+1
357	DO j = nys_dvrp, nyn_dvrp+1
358	DO k = nzb, nz_do3d
359	local_pf(i,j,k) = v(k,j,i)
360	ENDDO
361	ENDDO
362	ENDDO
363	!
364	!-- Replace mirrored values at lower surface by real surface
365	!-- values
366	IF ( output_variable == 'v_xz' .OR. &
367	output_variable == 'v_yz' ) THEN
368	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0
369	ENDIF
370
371	CASE ( 'w', 'w_xy', 'w_xz', 'w_yz' )
372	DO i = nxl_dvrp, nxr_dvrp+1
373	DO j = nys_dvrp, nyn_dvrp+1
374	DO k = nzb, nz_do3d
375	local_pf(i,j,k) = w(k,j,i)
376	ENDDO
377	ENDDO
378	ENDDO
379	! Averaging for Langmuir circulation
380	! DO k = nzb, nz_do3d
381	! DO j = nys_dvrp+1, nyn_dvrp
382	! DO i = nxl_dvrp, nxr_dvrp+1
383	! local_pf(i,j,k) = 0.25 * local_pf(i,j-1,k) + &
384	! 0.50 * local_pf(i,j,k) + &
385	! 0.25 * local_pf(i,j+1,k)
386	! ENDDO
387	! ENDDO
388	! ENDDO
389
390	CASE ( 'p', 'p_xy', 'p_xz', 'p_yz' )
391	DO i = nxl_dvrp, nxr_dvrp+1
392	DO j = nys_dvrp, nyn_dvrp+1
393	DO k = nzb, nz_do3d
394	local_pf(i,j,k) = p(k,j,i)
395	ENDDO
396	ENDDO
397	ENDDO
398
399	CASE ( 'pt', 'pt_xy', 'pt_xz', 'pt_yz' )
400	IF ( .NOT. cloud_physics ) THEN
401	DO i = nxl_dvrp, nxr_dvrp+1
402	DO j = nys_dvrp, nyn_dvrp+1
403	DO k = nzb, nz_do3d
404	local_pf(i,j,k) = pt(k,j,i)
405	ENDDO
406	ENDDO
407	ENDDO
408	ELSE
409	DO i = nxl_dvrp, nxr_dvrp+1
410	DO j = nys_dvrp, nyn_dvrp+1
411	DO k = nzb, nz_do3d
412	local_pf(i,j,k) = pt(k,j,i) + l_d_cp * &
413	pt_d_t(k) * ql(k,j,i)
414	ENDDO
415	ENDDO
416	ENDDO
417	ENDIF
418
419	CASE ( 'q', 'q_xy', 'q_xz', 'q_yz' )
420	IF ( humidity .OR. passive_scalar ) THEN
421	DO i = nxl_dvrp, nxr_dvrp+1
422	DO j = nys_dvrp, nyn_dvrp+1
423	DO k = nzb, nz_do3d
424	local_pf(i,j,k) = q(k,j,i)
425	ENDDO
426	ENDDO
427	ENDDO
428	ELSE
429	message_string = 'if humidity/passive_scalar = ' // &
430	'FALSE output of ' // TRIM( output_variable ) // &
431	'is not provided'
432	CALL message( 'data_output_dvrp', 'PA0183',&
433	0, 0, 0, 6, 0 )
434	ENDIF
435
436	CASE ( 'ql', 'ql_xy', 'ql_xz', 'ql_yz' )
437	IF ( cloud_physics .OR. cloud_droplets ) THEN
438	DO i = nxl_dvrp, nxr_dvrp+1
439	DO j = nys_dvrp, nyn_dvrp+1
440	DO k = nzb, nz_do3d
441	local_pf(i,j,k) = ql(k,j,i)
442	ENDDO
443	ENDDO
444	ENDDO
445	ELSE
446	message_string = 'if cloud_physics = FALSE ' // &
447	'output of ' // TRIM( output_variable) // &
448	'is not provided'
449	CALL message( 'data_output_dvrp', 'PA0184',&
450	0, 0, 0, 6, 0 )
451	ENDIF
452
453	CASE ( 'u*_xy' )
454	DO i = nxl_dvrp, nxr_dvrp+1
455	DO j = nys_dvrp, nyn_dvrp+1
456	local_pf(i,j,nzb+1) = us(j,i)
457	ENDDO
458	ENDDO
459	slicer_position = zu(nzb+1)
460
461	CASE ( 't*_xy' )
462	DO i = nxl_dvrp, nxr_dvrp+1
463	DO j = nys_dvrp, nyn_dvrp+1
464	local_pf(i,j,nzb+1) = ts(j,i)
465	ENDDO
466	ENDDO
467	slicer_position = zu(nzb+1)
468
469
470	CASE DEFAULT
471	!
472	!-- The DEFAULT case is reached either if output_variable
473	!-- contains unsupported variable or if the user has coded a
474	!-- special case in the user interface. There, the subroutine
475	!-- user_data_output_dvrp checks which of these two conditions
476	!-- applies.
477	CALL user_data_output_dvrp( output_variable, local_pf )
478
479
480	END SELECT
481
482	ELSE
483	!
484	!-- No overlap of clipping domain with the current subdomain
485	DO i = nxl_dvrp, nxr_dvrp+1
486	DO j = nys_dvrp, nyn_dvrp+1
487	DO k = nzb, nz_do3d
488	local_pf(i,j,k) = 0.0
489	ENDDO
490	ENDDO
491	ENDDO
492
493	ENDIF
494
495	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
496
497	!
498	!-- DVRP-Calls for plotting isosurfaces:
499	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'start' )
500
501	!
502	!-- Definition of isosurface color
503	tmp_r = isosurface_color(1,n_isosurface)
504	tmp_g = isosurface_color(2,n_isosurface)
505	tmp_b = isosurface_color(3,n_isosurface)
506	tmp_t = 0.0
507	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
508
509	!
510	!-- Compute and plot isosurface in dvr-format
511	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
512	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
513
514	c_size_x = vc_size_x; c_size_y = vc_size_y; c_size_z = vc_size_z
515	CALL DVRP_CLUSTER_SIZE( m-1, c_size_x, c_size_y, c_size_z )
516
517	c_mode = vc_mode
518	CALL DVRP_CLUSTERING_MODE( m-1, c_mode )
519
520	gradient_normals = vc_gradient_normals
521	CALL DVRP_GRADIENTNORMALS( m-1, gradient_normals )
522
523	!
524	!-- A seperate procedure for setting vc_alpha will be in the next
525	!-- version of libDVRP
526	tmp_c_alpha = vc_alpha
527	CALL DVRP_THRESHOLD( -(m-1)-1, tmp_c_alpha )
528
529	IF ( dvrp_overlap ) THEN
530	tmp_th = threshold(n_isosurface)
531	ELSE
532	tmp_th = 1.0 ! nothing is plotted because array values are 0
533	ENDIF
534
535	CALL DVRP_THRESHOLD( m-1, tmp_th )
536
537	CALL DVRP_VISUALIZE( m-1, 21, dvrp_filecount )
538
539	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'stop' )
540
541	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
542
543	!
544	!-- DVRP-Calls for plotting slicers:
545	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'start' )
546
547	!
548	!-- Material and color definitions
549	tmp_r = 0.0; tmp_g = 0.0; tmp_b = 0.0; tmp_t = 0.0
550	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
551
552	n_slicer = n_slicer + 1
553
554	!
555	!-- Using dolorfunction has not been properly tested
556	! islice_dvrp = n_slicer
557	! CALL DVRP_COLORFUNCTION( m-1, DVRP_CM_HLS, 25, &
558	! slicer_range_limits_dvrp(:,n_slicer), &
559	! color_dvrp )
560
561	!
562	!-- Set interval of values defining the colortable
563	CALL set_slicer_attributes_dvrp( n_slicer )
564
565	!
566	!-- Create user-defined colortable
567	CALL user_dvrp_coltab( 'slicer', output_variable )
568
569	CALL DVRP_COLORTABLE_HLS( m-1, 1, interval_values_dvrp, &
570	interval_h_dvrp, interval_l_dvrp, &
571	interval_s_dvrp, interval_a_dvrp )
572
573	!
574	!-- Compute and plot slicer in dvr-format
575	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
576	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
577	tmp_pos = slicer_position
578	CALL DVRP_SLICER( m-1, section_mode, tmp_pos )
579
580	CALL DVRP_VISUALIZE( m-1, 2, dvrp_filecount )
581
582	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'stop' )
583
584	ENDIF
585
586	DEALLOCATE( local_pf )
587
588	ELSEIF ( mode_dvrp(m)(1:9) == 'pathlines' ) THEN
589
590	ALLOCATE( local_pfi(4,nxl:nxr+1,nys:nyn+1,nzb:nz_do3d) )
591	DO i = nxl, nxr+1
592	DO j = nys, nyn+1
593	DO k = nzb, nz_do3d
594	local_pfi(1,i,j,k) = u(k,j,i)
595	local_pfi(2,i,j,k) = v(k,j,i)
596	local_pfi(3,i,j,k) = w(k,j,i)
597	tmp_norm = SQRT( u(k,j,i) * u(k,j,i) + &
598	v(k,j,i) * v(k,j,i) + &
599	w(k,j,i) * w(k,j,i) )
600	tmp_alpha = ACOS( 0.0 * u(k,j,i) / tmp_norm + &
601	0.0 * v(k,j,i) / tmp_norm - &
602	1.0 * w(k,j,i) / tmp_norm )
603	tmp_alpha_w = tmp_alpha / pi * 180.0
604	local_pfi(4,i,j,k) = tmp_alpha_w
605	ENDDO
606	ENDDO
607	ENDDO
608
609	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'start' )
610
611	CALL DVRP_DATA( m-1, local_pfi, 4, nx_dvrp, ny_dvrp, nz_dvrp, &
612	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
613	CALL DVRP_VISUALIZE( m-1, 20, dvrp_filecount )
614
615	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'stop' )
616
617	DEALLOCATE( local_pfi )
618
619	ENDIF
620
621	m = m + 1
622
623	ENDDO
624
625	dvrp_filecount = dvrp_filecount + 1
626
627	CALL cpu_log( log_point(27), 'data_output_dvrp', 'stop' )
628
629	#endif
630	END SUBROUTINE data_output_dvrp

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